SMBJ28A

The SMBJ28A is a unidirectional bi-directional unidirectional Transient Voltage Suppressor (TVS) diode. It is designed to protect components from damaging transient voltage spikes. It can be used on power supplies, cables, and other types of electronic equipment.

Application Fields

The SMBJ28A TVS diode is commonly used in telecommunications equipment, automotive electronics, industrial electronics, consumer electronics, and other related applications. It is also ideal for protecting components from surges caused by lightning, AC power, and ESD. Since this diode is bi-directional, it is very effective in protecting components from transient voltage surges from both sides.

Working Principle

The working principle of the SMBJ28A TVS diode is relatively simple. In the presence of an overvoltage, the diode turns on and quickly shorts the excess voltage between its two terminals. This clamps the voltage and prevents it from damaging the nearby components. It can also absorb excess energy and dissipate it as heat. This ensures that the transient voltage does not reach the sensitive components nearby.

The SMBJ28A TVS diode also has an internal avalanche protection system which limits the current that passes through it. This prevents the diode from getting damaged due to strong transient voltages. This diode is available in a variety of breakdown voltages, ranging from 5V to 350V. It also comes with several standard leads for easy installation.

Conclusion

The SMBJ28A TVS diode is an effective and reliable device for protecting sensitive components from transient voltage surges. It is easy to install, and its two-terminal design makes it ideal for a variety of applications. It has built-in avalanche protection, and it is available in a wide range of breakdown voltages. This makes the SMBJ28A a great choice for protecting components from transient voltage surges.